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   1  <?php
   2  // $Id: lutman.module,v 1.4.2.1 2009/03/31 21:21:26 stuartgreenfield Exp $
   3  
   4  /**
   5   * SWF Tools - Luke Lutman Flash Replacement
   6   *
   7   * Enables the use of Luke Lutman's jquery.flash.js which ships with
   8   * the SWF Tools module. jquery.flash.js provides Flash replacement
   9   * techniques.
  10   *
  11   * Author's Site.
  12   * http://jquery.lukelutman.com/plugins/flash/
  13   */
  14  
  15  function lutman_swftools_methods() {
  16    $methods = array();
  17    $methods[SWFTOOLS_EMBED_METHOD]['lutman_replace'] = array (
  18      'name'        => 'lutman_replace',
  19      'module'      => 'lutman',
  20      'shared_file' => 'lutman/jquery.flash.js',
  21      'title'       => t('jQuery Flash plugin - JavaScript'),
  22      'download'    => 'http://jquery.lukelutman.com/plugins/flash/',
  23    );
  24    return $methods;
  25  }
  26  
  27  /**
  28   * Implementation of swftools_embed hook
  29   * Returns the markup for the page, plus set necessary javascript.
  30   */
  31  function lutman_swftools_embed($action = 'add_js', $methods = FALSE, $vars = FALSE, $html_alt = '') {
  32  
  33    static $lutman_has_run;
  34  
  35    // Output javascript to the header
  36    if (!$lutman_has_run) {
  37      // Add jquery.flash.js
  38      drupal_add_js(swftools_get_player_path() .'/lutman/jquery.flash.js');
  39      drupal_add_js(_lutman_header_js(), 'inline', 'header');
  40      $lutman_has_run = TRUE;
  41      if ($action == 'add_js') {
  42        // Exit early having put the javascript in the header.
  43        return;
  44      }
  45    }
  46  
  47    // Initialise a counter to give each div a unique id
  48    static $unique_id = 0;
  49    $unique_id++;
  50  
  51    // Construct a unique id for each div by using time() combined with $unique_id
  52    // This is necessary to prevent clashes between cached content
  53    $id = time() . $unique_id;
  54  
  55    // Use time() to prevent caching issues.
  56    $html = '<div id="swfobject-id-' . $id . '" class="swftools lutman" ' .
  57             swftools_json_params($vars->params, 'swftools') . ' ' . ">\n" .
  58             $html_alt .
  59             '</div>';
  60    return $html;
  61  }
  62  
  63  /**
  64   * The jQuery code that will try to replace all elements after the page loads.
  65   * This parses the JSON out of the 'data' attribute of all swftools-embed divs.
  66   *
  67   */
  68  function _lutman_header_js() {
  69    $js = "
  70      $(document).ready(function(){
  71        $('.lutman').flash(null, {version:7}, function(htmlOptions) {
  72          htmlOptions = Drupal.parseJson($(this).attr('swftools'));
  73          $(this).parent().prepend($.fn.flash.transform(htmlOptions));
  74          $(this).remove();
  75        });
  76      });
  77      ";
  78    return $js;
  79  }